2. 外语
  3. All of them are astonished, because such a thing has never(hear)______of before.

All of them are astonished, because such a thing has never(hear)______of before.

admin2017-02-28  72
问题 All of them are astonished, because such a thing has never(hear)______of before.
选项
答案been heard
解析 本题考查被动语态。空格所填词为从句谓语的一部分，such a thing与从句的谓语动词存在被动关系，且从句为现在完成时，所以空格处应该填been heard。
转载请注明原文地址:https://kaotiyun.com/show/3IaK777K
本试题收录于： 大学英语三级A级题库大学英语三级分类
0

大学英语三级A级

大学英语三级

相关试题推荐
随机试题
最新回复(0)